本文整理汇总了C++中sp::editData方法的典型用法代码示例。如果您正苦于以下问题：C++ sp::editData方法的具体用法？C++ sp::editData怎么用？C++ sp::editData使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类sp的用法示例。
在下文中一共展示了sp::editData方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: writeStringBlock
status_t StringPool::writeStringBlock(const sp<AaptFile>& pool)
{
// Allow appending. Sorry this is a little wacky.
if (pool->getSize() > 0) {
sp<AaptFile> block = createStringBlock();
if (block == NULL) {
return UNKNOWN_ERROR;
}
ssize_t res = pool->writeData(block->getData(), block->getSize());
return (res >= 0) ? (status_t)NO_ERROR : res;
}
// First we need to add all style span names to the string pool.
// We do this now (instead of when the span is added) so that these
// will appear at the end of the pool, not disrupting the order
// our client placed their own strings in it.
const size_t STYLES = mEntryStyleArray.size();
size_t i;
for (i=0; i<STYLES; i++) {
entry_style& style = mEntryStyleArray.editItemAt(i);
const size_t N = style.spans.size();
for (size_t i=0; i<N; i++) {
entry_style_span& span = style.spans.editItemAt(i);
ssize_t idx = add(span.name, true);
if (idx < 0) {
fprintf(stderr, "Error adding span for style tag '%s'\n",
String8(span.name).string());
return idx;
}
span.span.name.index = (uint32_t)idx;
}
}
const size_t ENTRIES = mEntryArray.size();
// Now build the pool of unique strings.
const size_t STRINGS = mEntries.size();
const size_t preSize = sizeof(ResStringPool_header)
+ (sizeof(uint32_t)*ENTRIES)
+ (sizeof(uint32_t)*STYLES);
if (pool->editData(preSize) == NULL) {
fprintf(stderr, "ERROR: Out of memory for string pool\n");
return NO_MEMORY;
}
const size_t charSize = mUTF8 ? sizeof(uint8_t) : sizeof(uint16_t);
size_t strPos = 0;
for (i=0; i<STRINGS; i++) {
entry& ent = mEntries.editItemAt(i);
const size_t strSize = (ent.value.size());
const size_t lenSize = strSize > (size_t)(1<<((charSize*8)-1))-1 ?
charSize*2 : charSize;
String8 encStr;
if (mUTF8) {
encStr = String8(ent.value);
}
const size_t encSize = mUTF8 ? encStr.size() : 0;
const size_t encLenSize = mUTF8 ?
(encSize > (size_t)(1<<((charSize*8)-1))-1 ?
charSize*2 : charSize) : 0;
ent.offset = strPos;
const size_t totalSize = lenSize + encLenSize +
((mUTF8 ? encSize : strSize)+1)*charSize;
void* dat = (void*)pool->editData(preSize + strPos + totalSize);
if (dat == NULL) {
fprintf(stderr, "ERROR: Out of memory for string pool\n");
return NO_MEMORY;
}
dat = (uint8_t*)dat + preSize + strPos;
if (mUTF8) {
uint8_t* strings = (uint8_t*)dat;
ENCODE_LENGTH(strings, sizeof(uint8_t), strSize)
ENCODE_LENGTH(strings, sizeof(uint8_t), encSize)
strncpy((char*)strings, encStr, encSize+1);
} else {
uint16_t* strings = (uint16_t*)dat;
ENCODE_LENGTH(strings, sizeof(uint16_t), strSize)
strcpy16_htod(strings, ent.value);
}
strPos += totalSize;
}
// Pad ending string position up to a uint32_t boundary.
if (strPos&0x3) {
//.........这里部分代码省略.........
示例2: writeStringBlock
status_t StringPool::writeStringBlock(const sp<AaptFile>& pool)
{
// Allow appending. Sorry this is a little wacky.
if (pool->getSize() > 0) {
sp<AaptFile> block = createStringBlock();
if (block == NULL) {
return UNKNOWN_ERROR;
}
ssize_t res = pool->writeData(block->getData(), block->getSize());
return (res >= 0) ? (status_t)NO_ERROR : res;
}
// First we need to add all style span names to the string pool.
// We do this now (instead of when the span is added) so that these
// will appear at the end of the pool, not disrupting the order
// our client placed their own strings in it.
const size_t STYLES = mEntryStyleArray.size();
size_t i;
for (i=0; i<STYLES; i++) {
entry_style& style = mEntryStyleArray.editItemAt(i);
const size_t N = style.spans.size();
for (size_t i=0; i<N; i++) {
entry_style_span& span = style.spans.editItemAt(i);
ssize_t idx = add(span.name, true);
if (idx < 0) {
fprintf(stderr, "Error adding span for style tag '%s'\n",
String8(span.name).string());
return idx;
}
span.span.name.index = (uint32_t)idx;
}
}
const size_t ENTRIES = size();
// Now build the pool of unique strings.
const size_t STRINGS = mEntries.size();
const size_t preSize = sizeof(ResStringPool_header)
+ (sizeof(uint32_t)*ENTRIES)
+ (sizeof(uint32_t)*STYLES);
if (pool->editData(preSize) == NULL) {
fprintf(stderr, "ERROR: Out of memory for string pool\n");
return NO_MEMORY;
}
size_t strPos = 0;
for (i=0; i<STRINGS; i++) {
entry& ent = mEntries.editItemAt(i);
const size_t strSize = (ent.value.size());
const size_t lenSize = strSize > 0x7fff ? sizeof(uint32_t) : sizeof(uint16_t);
const size_t totalSize = lenSize + ((strSize+1)*sizeof(uint16_t));
ent.offset = strPos;
uint16_t* dat = (uint16_t*)pool->editData(preSize + strPos + totalSize);
if (dat == NULL) {
fprintf(stderr, "ERROR: Out of memory for string pool\n");
return NO_MEMORY;
}
dat += (preSize+strPos)/sizeof(uint16_t);
if (lenSize > sizeof(uint16_t)) {
*dat = htods(0x8000 | ((strSize>>16)&0x7fff));
dat++;
}
*dat++ = htods(strSize);
strcpy16_htod(dat, ent.value);
strPos += lenSize + (strSize+1)*sizeof(uint16_t);
}